PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any subclass letters capitalized. Currently Design Patent titles (those in the classes of the form Dxx.yy) are not retreivable.

Enter class/subclass code:


Class Number: 300
 Class Title: BRUSH, BROOM, AND MOP MAKING

Subclass  Subclass
Number    Title

  1       MISCELLANEOUS
  2       BRUSH-MAKING MACHINES
  3       .Drilling and tuft setting
  4       .Tuft feeding and setting
  5       .Tuft gathering and setting
  6       ..Drawn work
  7       .Tuft gathering
  8       .Tuft setting
  9       .Filling
  10      .Work holders
  11      ..Positioning devices
  12      BROOM-MAKING MACHINES
  13      .Nailing and stapling
  14      .Winding
  15      .Wire banding
  16      MOP-MAKING MACHINES
  17      BRUSH AND BROOM TRIMMING
  18      DRESSING AND ASSORTING
  19      IMPLEMENTS
  20      HANDLE SETTING
  21      PROCESSES